Greek Islands weather in May
Averages for 13 places on the Greek islands in May, from 30 years of weather data.
Holiday weather in May
Good
Best time to visit: June – September
Places on the Greek islands in May
Sorted by holiday weather score. Each place links to its own page for May.
| Place | Score | Day | Night | Sea | Sun | Rain days |
|---|---|---|---|---|---|---|
| Heraklion, Crete | 83 | 26° | 16° | 19° | 10 h | 4 |
| Lindos, Rhodes | 72 | 23° | 18° | 20° | 10 h | 3 |
| Zakynthos Town | 66 | 23° | 16° | 19° | 9 h | 5 |
| Rhodes Town | 66 | 22° | 18° | 20° | 10 h | 3 |
| Chania, Crete | 64 | 22° | 17° | 19° | 10 h | 4 |
| Lefkada | 61 | 22° | 17° | 19° | 9 h | 6 |
| Kos Town | 59 | 21° | 18° | 20° | 9 h | 4 |
| Argostoli, Kefalonia | 58 | 21° | 17° | 19° | 9 h | 3 |
| Parikia, Paros | 54 | 20° | 18° | 19° | 10 h | 2 |
| Naxos | 53 | 20° | 18° | 19° | 10 h | 2 |
| Corfu Town | 51 | 21° | 17° | 19° | 8 h | 7 |
| Mykonos | 51 | 20° | 17° | 18° | 10 h | 2 |
| Fira, Santorini | 50 | 20° | 16° | 19° | 9 h | 2 |
Which island is warmest in May?
Islands with several places show their average; the others appear as their place.
| Islands | Score | Day | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Crete | 74 | 24° | 19° | 10 h | 4 |
| Lindos, Rhodes | 72 | 23° | 20° | 10 h | 3 |
| Zakynthos Town | 66 | 23° | 19° | 9 h | 5 |
| Rhodes Town | 66 | 22° | 20° | 10 h | 3 |
| Lefkada | 61 | 22° | 19° | 9 h | 6 |
| Kos Town | 59 | 21° | 20° | 9 h | 4 |
| Corfu Town | 51 | 21° | 19° | 8 h | 7 |
| Argostoli, Kefalonia | 58 | 21° | 19° | 9 h | 3 |
| Santorini | 50 | 20° | 19° | 9 h | 2 |
| Mykonos | 51 | 20° | 18° | 10 h | 2 |
| Naxos | 53 | 20° | 19° | 10 h | 2 |
| Parikia, Paros | 54 | 20° | 19° | 10 h | 2 |
May compared
How the weather changes from April to June. Tap a month to open it.
Greek Islands in May: quick answers
Is it warm on the Greek islands in May?
Yes, it is warm. Daytime highs average 22 °C (20–26 °C by place) and nights 17 °C.
Can you swim on the Greek islands in May?
Only if you like it fresh: the sea is 18–20 °C, 19 °C on average.
Where is it warmest on the Greek islands in May?
The warmest are Crete (24 °C), Lindos, Rhodes (23 °C) and Zakynthos Town (23 °C).
Does it rain much on the Greek islands in May?
Rarely: 4 rainy days on average. Plus 9 hours of sunshine a day.
Is May a good time to visit the Greek islands?
May scores 61 out of 100 (Good). The best time to visit is June – September.
Greek Islands month by month
Greek Islands: weather by monthWhere to go in MaySea temperature in May
Islands
Greece: all destinationsAll islands & regions
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)